发明公开
EP0526401A1 Process for the preparation of glycidyl ethers of di-secondary alcohols with high monomer content
失效
Verfahren zur Herstellung von Glycidylethern vondisekundärenAlkoholen mit einem hohen Monomer-Gehalt。
- 专利标题： Process for the preparation of glycidyl ethers of di-secondary alcohols with high monomer content
- 专利标题（中）： Verfahren zur Herstellung von Glycidylethern vondisekundärenAlkoholen mit einem hohen Monomer-Gehalt。
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申请号： EP92810558.4申请日： 1992-07-21
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公开(公告)号： EP0526401A1公开(公告)日： 1993-02-03
- 发明人: Cheng, Chi-Wen Frank
- 申请人： CIBA-GEIGY AG
- 申请人地址： Klybeckstrasse 141 CH-4002 Basel CH
- 专利权人： CIBA-GEIGY AG
- 当前专利权人： CIBA-GEIGY AG
- 当前专利权人地址： Klybeckstrasse 141 CH-4002 Basel CH
- 优先权： US738072 19910730
- 主分类号： C07D303/24
- IPC分类号： C07D303/24 ; C07D301/28
摘要：
A process for the preparation of a glycidyl ether of a di-secondary alcohol with a monomer content of about 80% to about 90% of the formula (I)
where R and R₁ represent radicals defined in this application is described. The said process comprises the steps of:
(a) reacting a di-secondary alcohol of the formula (II)
wherein R and R¹ represent the same radicals as above with epichlorohydrin in the presence of an alkali and a phase transfer catalyst to produce a glycidyl ether with a monomer content of about 60% to about 75%; and
(b) reacting said glycidyl ether with a monomer content of about 60% to about 75% with epichlorohydrin in the presence of an alkali and benzyltrimethylammonium chloride to produce a glycidyl ether of a di-secondary alcohol with a monomer content of about 80% to about 90%.
where R and R₁ represent radicals defined in this application is described. The said process comprises the steps of:
(a) reacting a di-secondary alcohol of the formula (II)
wherein R and R¹ represent the same radicals as above with epichlorohydrin in the presence of an alkali and a phase transfer catalyst to produce a glycidyl ether with a monomer content of about 60% to about 75%; and
(b) reacting said glycidyl ether with a monomer content of about 60% to about 75% with epichlorohydrin in the presence of an alkali and benzyltrimethylammonium chloride to produce a glycidyl ether of a di-secondary alcohol with a monomer content of about 80% to about 90%.
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